New York (JFK) to Seattle (SEA)
Flight time
≈ 5h 38m
Bearing
298° NW
New York (JFK) to Seattle (SEA) is 2,415 miles (3,887 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies JFK–SEA
Filed traffic dataIn July 2026, Alaska Airlines operated the most departures, one of 4 carriers flying nonstop JFK–SEA; the Airbus A321neo was the most common aircraft at 45% of departures; flights ran 92% full.
Departures
506
July 2026
Seats
93,838
both directions
Passengers
85,931
both directions
Load factor
91.6%
RPM ÷ ASM
Who flies JFK–SEA?
Alaska Airlines operated the most nonstop JFK–SEA departures in July 2026 (231), one of 4 carriers on the route.
- AS
231 departures · 40,149 seats
Share of departures45.7%91.8%
Load
- DL
223 departures · 43,299 seats
Share of departures44.1%92.7%
Load
- B6
51 departures · 10,200 seats
Share of departures10.1%86.3%
Load
- AA
1 departures · 190 seats
Share of departures0.2%66.3%
Load
What plane flies JFK–SEA?
In July 2026, the Airbus A321neo flew 45% of JFK–SEA departures — more than any other aircraft type.
- Airbus A321neo
226 departures · 93.1% load
44.7% - Boeing 737 MAX 9
90 departures · 90.9% load
17.8% - Boeing 737-900ER
84 departures · 92.7% load
16.6% - Boeing 737-800
55 departures · 92.1% load
10.9% - Airbus A321
48 departures · 85.7% load
9.5% - Boeing 737 MAX 8
2 departures · 92.9% load
0.4% - Boeing 767-400ER
1 departures · 0.0% load
0.2%
How has JFK–SEA traffic changed?
Nonstop JFK–SEA departures fell from 550 in August 2025 to 506 in July 2026.
Monthly nonstop JFK–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
550 departures · 96,383 passengers
93.7%
Load
September 2025
537 departures · 87,077 passengers
86.6%
Load
October 2025
534 departures · 84,178 passengers
84.7%
Load
November 2025
446 departures · 68,090 passengers
82.8%
Load
December 2025
438 departures · 70,166 passengers
87.0%
Load
January 2026
357 departures · 55,401 passengers
83.9%
Load
February 2026
331 departures · 49,541 passengers
81.3%
Load
March 2026
416 departures · 63,125 passengers
82.7%
Load
April 2026
450 departures · 66,257 passengers
79.9%
Load
May 2026
513 departures · 80,051 passengers
84.6%
Load
June 2026
533 departures · 89,086 passengers
90.4%
Load
July 2026
506 departures · 85,931 passengers
91.6%
Load
By direction
Each direction is filed separately — they rarely match.
JFK → SEA
92.8% full
255 departures · 43,767 passengers
SEA → JFK
90.4% full
251 departures · 42,164 passengers
Nonstop JFK–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is New York (JFK) from Seattle (SEA)?
JFK to SEA is 2,415 miles (3,887 km / 2,099 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from JFK to SEA?
A nonstop covers the 2,415-mile great-circle distance in roughly 5h 38m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies JFK–SEA?
In July 2026, the Airbus A321neo flew the largest share of departures (44.7%), followed by the Boeing 737 MAX 9 (17.8%).
What mileage do I earn flying JFK–SEA?
Distance-based programs credit off the 2,415-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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